Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
porteiro
←
Galician
porta
(suffix)
←
Galician
eiro
(suffix)
←
Latin
porta
(inherited)
←
Old Portuguese
porteiro
(inherited)
←
Old Portuguese
porteyro
(mention)